Manuals / Roberts Gorden / Household Appliance / Gas Heater

Roberts Gorden CTH2-80, CTH2-125 U-TubeHeater Assembly Overview, Optional Heater Accessories

Models: CTH2-40 CTH2-60 CTH2-175 CTH2-150 CTH2-100 CTH2-80 CTH2-125

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SECTION 7: OPTIONAL HEATER ACCESSORIES

FIGURE 18: U-Tube Heater Assembly Overview

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Roberts Gorden CTH2-80, CTH2-125, CTH2-100, CTH2-150, CTH2-175 U-TubeHeater Assembly Overview, Optional Heater Accessories

Contents

Gas-Fired,Low Intensity Installation, Operation &Service Manual VantagePage 2012 Roberts-GordonLLC TABLE OF CONTENTSPage LIST OF TABLES TABLE OF FIGURESPage 1.3 California Proposition SECTION 1: HEATER SAFETY1.1 Manpower Requirements 1.2 Safety Labels and Their PlacementRating Plate Label FIGURE 1: Top and Bottom Panel Label PlacementLogo Label BottomThermostat Connection Label Back Panel FIGURE 2: Side and Back Panel Label PlacementClearances to Combustibles Label Wiring Label Control Side Panel Control Side Panel Inside2.3 National Standards and Applicable Codes SECTION 2: INSTALLER RESPONSIBILITY2.1 Wall Tag 2.2 Corrosive ChemicalsModel FIGURE 3: STANDARD REFLECTORinches centimeterscentimeters FIGURE 4: ONE SIDE REFLECTORFIGURE 6 45 TILT REFLECTOR inchesFIGURE 8: U-TUBE,45 FIGURE 7: U-TUBE,STANDARD REFLECTORinches A B C D UNAPPROVED centimeters A B C D UNAPPROVEDcentimeters FIGURE 11: LOWER CLEARANCE SHIELDFIGURE 12: VENTING inches4.4 Electrical 4.1 Gas Codes4.2 Aircraft Hangars 4.3 Public GaragesFIGURE 13: Major Component Descriptions Coupling AssemblyReflector Support Strap & Wire Form SECTION 5: MAJOR COMPONENTSPart No 5.1 Standard Parts ListTable 1: Contents of the Burner Carton Table 2: Contents of Core and Extension PackagesMinimum Table 3: Component Package GuideTubing Length Core PackagesSECTION 6: HEATER INSTALLATION Typical Suspension Details FIGURE 14: Critical Hanger PlacementTube Clamp Package FIGURE 15: Linear Heater Assembly OverviewLEGEND FIGURE 16: Linear Heater Layout Overview80 Tube Length 50 Tube Length60 Tube Length 70 Tube LengthBolt Step 6.1 Burner Tube InstallationStep 6.2 Tube Clamp Package Installation Tube ClampDescription Step 6.3 Coupling and Tube AssemblyStep 6.3.1 Coupling and Tube Assembly Continued ± 2 5 cmStep 6.4 Turbulator Installation Step 6.3.2 Coupling and Tube Assembly Continuedw i s t Reflector must not touch tube Step 6.5 Reflector InstallationSECTION 6: HEATER INSTALLATION Fire HazardThe pictorial drawings of the heater construction in Section 6 are schematic only and provide a general guideline of where hangers, reflector supports and U-clipsare to be installed Description Step 6.6 Burner InstallationSECTION 6: HEATER INSTALLATION with the flame observation7.1 U-TubeConfiguration SECTION 7: OPTIONAL HEATER ACCESSORIESSECTION 7: OPTIONAL HEATER ACCESSORIES FIGURE 18: U-TubeHeater Assembly OverviewFIGURE 19: U-TubeHeater Layout Overview 70 Tube Length FIGURE 20 U-TubeHeater Layout Overview Continued50 Tube Length 60 Tube LengthModel Step 7.2.2 Elbow InstallationStep 7.2.3 Reflector Joint Installation Burner and ElbowSECTION 7: OPTIONAL HEATER ACCESSORIES Step 7.2.4 Reflector Joint InstallationStep 7.2.5 Reflector Joint Detail FIGURE 21: Reflector Joint DetailStep 7.3.2 Side Reflector Installation Reflector Extension Step 7.5.2 Frame Shield InstallationDescription Distance AStep 7.6.3 Grille Installation Step 7.6.2 Grille End Cap Installation8.1.2 Canadian Requirements SECTION 8: VENTING8.1 General Venting Requirements 8.1.1 United States Requirements8.6 Length Requirements 8.3 Horizontal Venting8.4 Vertical Venting 8.5 Unvented Operation Tube Termination•Heaters must be of the same BTU output 8.8 Vertical Ventilation 4 10 cm PipeStep 8.9 Common Sidewall Venting RequirementsSECTION 8: VENTING 8.10 Common Vertical VentingRequirements •Heaters must be of the same BTU output8.11.1 Length Requirements 8.11 Outside Combustion Air SupplyRequirements RequirementsSECTION 9 GAS PIPING CORRECT POSITIONS FIGURE 23: Gas Connection with Flexible Gas Hosewhen attaching gas hose INCORRECT POSITIONS WRONG INSTALLATION10.2 Low Voltage Thermostat with One Burner SECTION 10: WIRING10.1 Line Voltage Thermostat Wiring DANGERBACK VIEW 10.4 Internal WiringTransformer Relay FRONT VIEW10.6 Electrical Connection to the Burner 10.5 Ladder Diagram11.2 To Shut Off Heater SECTION 11: OPERATION AND MAINTENANCE11.4Pre-SeasonMaintenance and Annual Inspection 11.1 Sequence of OperationSee Page 5, Section 11.5 Maintenance ChecklistInstallation Code and Annual Inspections The Vicinity of the HeaterWindow Safety LabelsGas Line Burner ObservationDANGER SECTION 12: TROUBLESHOOTINGSection 12.1 Honeywell SmartValve II TroubleshootingLED Status Indicates12.2 Troubleshooting Flow Chart SECTION 12: TROUBLESHOOTING Orifice 12.3 Manifold Gas Pressure SettingNatural Propane Top View of HeaterSECTION 13: REPLACEMENT PARTS SECTION 13: REPLACEMENT PARTSDANGER Motor and Blower Assembly Part Number Description14.3 Suspension Specifications SECTION 14: GENERAL SPECIFICATIONS14.1Material Specifications 14.1.1 Reflectors 14.2Heater Specifications 14.2.1 IgnitionLIMITATIONS ON AUTHORITY OF REPRESENTATIVES WARRANTY IS VOID IFROBERTS-GORDONWILL PAY FOR ROBERTS-GORDONWILL NOT PAY FORPage Page Page